A family of monocotyledonous (see monocotyledon), erect, rhizomatous (see rhizome) herbs, which have 2-ranked, sheathing, linear leaves, clustered or in a basal rosette. The flowers are solitary, irregular, and bisexual, with a single stamen. The ovary is superior with 3 fused carpels forming a single locule with numerous ovules. The style is simple. The fruit is a capsule, with many seeds which contain endosperm. There are 4 genera, and 5 species, restricted in their distribution to Japan, South-east Asia, and Australia.
Subjects: Plant Sciences and Forestry.